.mainnotice{
    height: 800px;
}
.left-notice{
    width: 400px;
    height: 800px;
    float: left;
}
.mid-notice{
    width: 700px;
    height: 800px;
    float: left;
}
.right-notice{
    width: 400px;
    height: 800px;
    float: left;
}
.notice1{
    border: 1px solid #dcdcdc ;
    height: 800px;

}
.notice1-text{
    text-align: center;
    font-size: 18px;
    line-height:45px;
}
